CN219933226U - Stainless steel seamless pipe - Google Patents
Stainless steel seamless pipe Download PDFInfo
- Publication number
- CN219933226U CN219933226U CN202320925285.4U CN202320925285U CN219933226U CN 219933226 U CN219933226 U CN 219933226U CN 202320925285 U CN202320925285 U CN 202320925285U CN 219933226 U CN219933226 U CN 219933226U
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- Prior art keywords
- ring
- pipe
- stainless steel
- tube
- steel seamless
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 42
- 239000010935 stainless steel Substances 0.000 title claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 abstract description 17
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 description 13
- 239000007788 liquid Substances 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 230000001680 brushing effect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Joints With Pressure Members (AREA)
Abstract
The utility model discloses a stainless steel seamless pipe, which comprises a pipe main body, wherein a first connecting ring and a second connecting ring are respectively arranged at two ends of the pipe main body, the pipe main body consists of an inner pipe and an outer pipe, the outer pipe is sleeved outside the inner pipe, anti-corrosion layers are coated on the outer side of the outer pipe and the inner side of the inner pipe, embedded ring grooves are respectively arranged at two ends of the outer pipe and the inner pipe, fixing rings are fixedly arranged on one surfaces, close to the embedded ring grooves, of the first connecting ring and the second connecting ring, a first threaded surface is arranged on the inner ring surface and the outer ring surface of the fixing rings, a second threaded surface matched with the first threaded surface is arranged on one surface, corresponding to the first threaded surface, of the embedded ring grooves, and the fixing rings are fixedly connected with the embedded ring grooves through threaded connection; the utility model has low maintenance cost and strong connection sealing performance.
Description
Technical Field
The utility model relates to the technical field of seamless steel pipes, in particular to a stainless steel seamless pipe.
Background
Seamless stainless steel pipes have a hollow cross section and are used in large numbers as pipes for transporting fluids, such as oil, gas, water and certain solid materials. In the use process of the existing seamless stainless steel pipe, the inner side wall of the seamless stainless steel pipe is easy to be corroded by liquid conveyed in the seamless stainless steel pipe, so that the seamless stainless steel pipe is damaged, and when certain moisture exists around the seamless stainless steel pipe, the moisture contacts with the outer side wall of the seamless stainless steel pipe, so that the corrosion of the outer side wall of the seamless stainless steel pipe is accelerated, and the seamless stainless steel pipe is not beneficial to long-time use.
The Chinese utility model corrosion-resistant seamless steel pipe with the publication number of CN218348089U in the prior art can slow down the corrosion of the conveying liquid in the steel pipe body to the inner side of the steel pipe body by brushing the corrosion-resistant coating, effectively improves the corrosion resistance of the seamless steel pipe by brushing the corrosion-resistant coating on the outer side wall of the steel pipe body and fixing the outer moistureproof jacket, and prolongs the service life of the seamless steel pipe; but this utility model has the following problems: 1. the corrosion-resistant coating is only coated to delay the corrosion speed of the steel pipe, the corrosion speed of the steel pipe is far higher than that of the outer side due to long-term contact with liquid, and the steel pipe is scrapped and replaced integrally after the inner part is corroded, so that the maintenance cost is increased; 2. when the steel pipes are connected with each other, the connecting parts are fixedly connected only through the locking assembly, the sealing performance of the connecting parts is not strong, and liquid is easy to leak when the stainless steel seamless pipe is used.
Disclosure of Invention
The utility model aims to provide a stainless steel seamless pipe which is low in maintenance cost and strong in connection sealing performance.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a stainless steel seamless tube, includes the pipe main part, pipe main part both ends are equipped with go-between first and go-between respectively, the pipe main part comprises inner tube and outer tube, the outer tube cover is established outside the inner tube, the outer tube outside with the inboard all coating of inner tube is equipped with the anticorrosive coating, outer tube and inner tube both ends all are equipped with embedded ring groove, go-between first with go-between second is close to the one side of embedded ring groove is all fixed and is equipped with solid fixed ring, solid fixed ring inner circle face and outer lane face all are equipped with screw thread face one, gu embedded ring groove corresponds screw thread face one's one side all is equipped with its assorted screw thread face two, gu fixed ring passes through threaded connection and embedded ring groove fixed connection.
By adopting the technical scheme, the utility model has the following advantages:
the arrangement of the anti-corrosion layer of the utility model can delay the corrosion of the inner side and the outer side of the pipe main body respectively, thereby effectively prolonging the service life of the stainless steel seamless pipe; according to the utility model, the inner pipe and the outer pipe are arranged, so that when the inner side or the outer side of the pipe main body is corroded to a certain extent and needs to be replaced, only one side pipe needing to be replaced is needed to be replaced, the whole pipe main body is not needed to be replaced, and the maintenance cost is effectively reduced; the first connecting ring and the second connecting ring have the functions of fixing the inner pipe and the outer pipe and preventing the inner pipe and the outer pipe from rotating randomly, so that moisture is difficult to enter between gaps of the inner pipe and the outer pipe, corrosion between the inner pipe and the outer pipe is effectively prevented, and the service life of the stainless steel seamless pipe is further effectively prolonged.
Further, an O-shaped sealing ring is clamped between the embedded ring groove and the fixed ring.
By adopting the technical scheme, the utility model has the following advantages:
the O-shaped sealing ring has the function of reinforcing the tightness between the first connecting ring and the second connecting ring and the two ends of the pipe main body, and can effectively prevent liquid leakage.
Furthermore, the position where the pipe main body is connected with the first connecting ring and the second connecting ring is provided with a T-shaped ring groove, and a T-shaped sealing ring is embedded in the T-shaped ring groove.
By adopting the technical scheme, the utility model has the following advantages:
the T-shaped sealing ring plays a role in sealing a gap between the pipe main body and the joint of the first connecting ring and the second connecting ring, further enhances the sealing performance between the pipe main body and the joint, and effectively prevents liquid leakage.
Further, one end of the first connecting ring, which is far away from the pipe main body, is fixedly provided with a fixed ring seat, one end of the second connecting ring, which is far away from the pipe main body, is fixedly provided with an annular groove, and the fixed ring seat is matched with the annular groove.
By adopting the technical scheme, the utility model has the following advantages:
according to the utility model, the fixed ring seat and the annular groove play a role in connecting two stainless steel seamless pipes, so that the stainless steel seamless pipes can be produced in batch to a fixed size, and then spliced according to requirements, the production cost is reduced, and the fixed ring seat plays a certain sealing role, so that liquid at the joint of the two stainless steel seamless pipes is not easy to leak.
Further, a plurality of threaded holes are formed in the fixing ring seat in a surrounding mode.
By adopting the technical scheme, the utility model has the following advantages:
the screw holes are formed in the utility model, so that the fixed ring seat and the connecting ring II can be fixedly connected through a plurality of bolts, and the connection strength between two stainless steel seamless pipes is enhanced.
Furthermore, the inner side of the fixed ring seat is fixedly provided with a plurality of annular sealing rings in a surrounding mode, and a plurality of sealing ring grooves are formed in positions, corresponding to the annular sealing rings, of the annular sealing rings.
By adopting the technical scheme, the utility model has the following advantages:
the arrangement of the annular sealing ring and the sealing ring groove further enhances the tightness between the fixed ring seat and the annular groove, and can effectively ensure that liquid is not easy to leak from the joint of the two stainless steel seamless pipes.
Furthermore, the inner side of the fixed ring seat is provided with a first inclined surface, and one surface of the annular groove corresponding to the first inclined surface is provided with a second inclined surface matched with the first inclined surface.
By adopting the technical scheme, the utility model has the following advantages:
the first inclined surface and the second inclined surface are arranged, so that the annular sealing ring can be extruded and moved into the sealing ring groove more easily.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic view of the T-shaped seal ring of the present utility model.
Reference numerals: 1. an inner tube; 2. a second connecting ring; 3. an annular groove; 301. an inclined plane II; 302. a seal ring groove; 4. a fixed ring seat; 401. a threaded hole; 402. an inclined plane I; 5. an embedded ring groove; 501. a thread surface II; 6. an outer tube; 7. an anti-corrosion layer; 8. an annular seal ring; 9. a retainer ring; 901. a first thread surface; 10. an O-shaped sealing ring; 11. a T-shaped sealing ring; 12. a T-shaped ring groove; 13. and a first connecting ring.
Detailed Description
As shown in fig. 1 to 2, in the specific embodiment, the stainless steel seamless pipe comprises a pipe main body, two ends of the pipe main body are respectively provided with a first connecting ring 13 and a second connecting ring 2, the pipe main body is composed of an inner pipe 1 and an outer pipe 6, the outer pipe 6 is sleeved outside the inner pipe 1, the outer side of the outer pipe 6 and the inner side of the inner pipe 1 are respectively coated with an anti-corrosion layer 7, both ends of the outer pipe 6 and the inner pipe 1 are respectively provided with an embedded ring groove 5, one surfaces, close to the embedded ring grooves 5, of the first connecting ring 13 and the second connecting ring 2 are respectively fixedly provided with a fixed ring 9, the inner ring surface and the outer ring surface of the fixed ring 9 are respectively provided with a first threaded surface 901, one surface, corresponding to the first threaded surface 901, of the embedded ring groove 5 is respectively provided with a second threaded surface 501 matched with the first threaded surface, and the fixed ring 9 is fixedly connected with the embedded ring groove 5 through threaded connection.
Through the arrangement, the corrosion prevention layer 7 is arranged to delay the corrosion of the inner side and the outer side of the pipe main body respectively, so that the service life of the stainless steel seamless pipe is prolonged effectively; according to the utility model, the inner pipe 1 and the outer pipe 6 are arranged, so that when the inner side or the outer side of the pipe main body is corroded to a certain extent and needs to be replaced, only one side pipe needing to be replaced is needed to be replaced, the whole pipe main body is not needed to be replaced, and the maintenance cost is effectively reduced; the first connecting ring 13 and the second connecting ring 2 play a role in fixing the inner tube 1 and the outer tube 6, prevent the inner tube 1 and the outer tube 6 from rotating randomly, prevent moisture from entering a gap between the inner tube 1 and the outer tube 6, effectively prevent corrosion between the inner tube 1 and the outer tube 6, and further effectively prolong the service life of the stainless steel seamless tube.
As shown in fig. 2 to 3, an O-ring 10 is clamped between the embedded ring groove 5 and the fixed ring 9; the connecting positions of the pipe main body and the first connecting ring 13 and the second connecting ring 2 are respectively provided with a T-shaped annular groove 12, and a T-shaped sealing ring 11 is embedded in the T-shaped annular groove 12.
Through the arrangement, the O-shaped sealing ring 10 plays a role in enhancing the tightness between the first connecting ring 13 and the second connecting ring 2 and the two ends of the pipe main body, and can effectively prevent liquid leakage; the T-shaped sealing ring 11 plays a role in sealing a gap between the pipe main body and the joint of the first connecting ring 13 and the second connecting ring 2, further enhances the sealing performance between the two, and effectively prevents liquid leakage.
As shown in fig. 1, a fixed ring seat 4 is fixedly arranged at one end of the first connecting ring 13 far away from the pipe main body, an annular groove 3 is fixedly arranged at one end of the second connecting ring 2 far away from the pipe main body, and the fixed ring seat 4 is matched with the annular groove 3; a plurality of threaded holes 401 are formed in the fixed ring seat 4 in a surrounding mode; a plurality of annular sealing rings 8 are fixedly arranged on the inner side of the fixed ring seat 4 in a surrounding manner, and a plurality of sealing ring grooves 302 are arranged at positions of the annular grooves 3 corresponding to the annular sealing rings 8; the inner side of the fixed ring seat 4 is provided with a first inclined surface 402, and one surface of the annular groove 3 corresponding to the first inclined surface 402 is provided with a second inclined surface 301 matched with the first inclined surface.
Through the arrangement, the fixing ring seat 4 and the annular groove 3 play a role in connecting two stainless steel seamless pipes, so that the stainless steel seamless pipes can be produced in batch to a fixed size, and then spliced according to requirements, the production cost is reduced, and the fixing ring seat 4 plays a certain sealing role, so that liquid at the joint of the two stainless steel seamless pipes is not easy to leak; the screw holes 401 are arranged, so that the fixed ring seat 4 and the connecting ring II 2 can be fixedly connected through a plurality of bolts, and the connection strength between two stainless steel seamless pipes is enhanced; the arrangement of the annular sealing ring 8 and the sealing ring groove 302 further enhances the tightness between the fixed ring seat 4 and the annular groove 3, and can effectively ensure that liquid is not easy to leak from the joint of two stainless steel seamless pipes; the arrangement of the inclined surface I402 and the inclined surface II 301 of the utility model can enable the annular sealing ring 8 to be extruded and moved into the sealing ring groove 302 more easily.
Working principle: during molding, the inner pipe 1 is required to be inserted into the outer pipe 6, then the O-shaped sealing rings 10 are placed in the embedded ring grooves 5 at the two ends, the first connecting ring 13 at the two ends and the fixed ring 9 of the second connecting ring 2 are aligned with the embedded ring grooves 5 to rotate so that the first threaded surface 901 is in threaded connection with the second corresponding threaded surface 501, when the inner side surface of the inner pipe 1 or the outer side surface of the outer pipe 6 is corroded and needs to be replaced, the corroded inner pipe 1 or the corroded outer pipe 6 is only required to be replaced, the whole pipe main body is not required to be replaced, the maintenance cost is reduced, the transverse ends of the T-shaped sealing rings 11 are downwards and inwards extruded to be placed in the T-shaped grooves after being fixed, the transverse ends are clamped in the transverse ends of the T-shaped grooves, the T-shaped sealing ring 11 plays a role in enhancing the tightness between the first connecting ring 13 and the second connecting ring 2 and the pipe main body, when two stainless steel seamless pipes are required to be connected, only the fixed ring seat 4 at one end of one stainless steel seamless pipe is required to be inserted into the annular groove 3 of the other stainless steel seamless pipe, the annular sealing ring 8 is gradually extruded until being clamped in the corresponding annular groove 3 along with the insertion of the fixed ring seat 4, the sealing effect of the joint of the two stainless steel seamless pipes is enhanced, and finally the effective fixation can be realized by penetrating the threaded holes 401 of the second connecting ring 2 and the fixed ring seat 4 through bolts.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (7)
1. The utility model provides a stainless steel seamless tube, includes the pipe main part, its characterized in that, pipe main part both ends are equipped with go-between one (13) and go-between two (2) respectively, the pipe main part comprises inner tube (1) and outer tube (6), outer tube (6) cover is established outside inner tube (1), outer tube (6) outside with the inboard all coating of inner tube (1) is equipped with anticorrosive coating (7), outer tube (6) and inner tube (1) both ends all are equipped with embedded ring groove (5), go-between one (13) with go-between two (2) are close to the one side of embedded ring groove (5) is all fixed and is equipped with retainer ring (9), retainer ring (9) inner circle face and outer lane face all are equipped with screw thread face one (901), the one side of interior embedded ring groove (5) corresponding screw thread face one (901) all is equipped with rather than assorted screw thread face two (501), retainer ring (9) are through threaded connection and embedded ring groove (5) fixed connection.
2. A stainless steel seamless tube according to claim 1, characterized in that an O-ring (10) is clamped between the embedded ring groove (5) and the fixing ring (9).
3. A stainless steel seamless pipe according to claim 1, wherein the positions of the pipe main body, which are mutually connected with the first connecting ring (13) and the second connecting ring (2), are respectively provided with a T-shaped annular groove (12), and a T-shaped sealing ring (11) is embedded in the T-shaped annular groove (12).
4. A stainless steel seamless tube according to claim 1, wherein a fixing ring seat (4) is fixedly arranged at one end of the first connecting ring (13) far away from the tube main body, an annular groove (3) is fixedly arranged at one end of the second connecting ring (2) far away from the tube main body, and the fixing ring seat (4) is matched with the annular groove (3).
5. A stainless steel seamless tube according to claim 4, wherein the retainer ring seat (4) is provided with a plurality of threaded holes (401) in a surrounding manner.
6. The stainless steel seamless pipe according to claim 5, wherein a plurality of annular sealing rings (8) are fixedly arranged on the inner side of the fixed ring seat (4) in a surrounding mode, and a plurality of sealing ring grooves (302) are formed in positions, corresponding to the annular sealing rings (8), of the annular grooves (3).
7. The stainless steel seamless pipe according to claim 6, wherein the inner side of the fixed ring seat (4) is provided with a first inclined surface (402), and one surface of the annular groove (3) corresponding to the first inclined surface (402) is provided with a second inclined surface (301) matched with the first inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320925285.4U CN219933226U (en) | 2023-04-23 | 2023-04-23 | Stainless steel seamless pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320925285.4U CN219933226U (en) | 2023-04-23 | 2023-04-23 | Stainless steel seamless pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219933226U true CN219933226U (en) | 2023-10-31 |
Family
ID=88489826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320925285.4U Active CN219933226U (en) | 2023-04-23 | 2023-04-23 | Stainless steel seamless pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219933226U (en) |
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2023
- 2023-04-23 CN CN202320925285.4U patent/CN219933226U/en active Active
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